Detachable wheel.



v. RILEY.

' DETAGHABLE WHEEL.

APPLICATION FILED SEPT. '1, 1911.

Patented Dec. 5, 1911.

2 SHEETS-SHEET 1.

v. RILEY. 0 DETACHABLE WHEEL. APPLICATION FiLBD 8EPT.7, 1911.

Patented De0.5,1911.

2 SHEETS-S3331 2.

- vrc'roa RILEY, or nonnrnaux, covnurav, ENGLAND.

nnracnannn WHEEL. I

Specification of Letters latent.

Application'filedSeptember 7, 1911. Serial No. 848,194.

To all whom it may concern: Be it known that I, Vrc'ron RILEY, a subject of the King of Great Britain, residing pawls from their ratchet teeth.

shaped cover which swin .at Hollybank, Radford Road, Coventry,

England, have invented new and useful I mprovements inDetachable Wheels, of which the following is a s ecification.

This invention re ates to detachable wheels in which the hub carries a nutfree to turn in it and adapted to screw onto the permanent hub or axle, the detachable wheel being) fixed in place by locking this nut to its hu According to this invention the detachable nut is provided with a pairof automatic locks. Each automatic lock isa spring actuated plunger pawl adapted to engage in ratchet teet in the removable hub. his

plunger pawl has on its outer end an-enarged head, lying, when in a locked position, a small distance away from the face of .the nut. The spanner fits around the out side of the nut and engages with lugs upon it suflicient play being however provided to allow of a small relative movement of rotation. The spanner has claw-like projections fitted to it, which are of tapered shape adapted to engage behind the enlarged heads of the Inn r pawls, and when rotated theslig t re ative movement before turning the nut)' withdraws the p unger A single s ring is preferably employed for both of t e pawls. This s ring is in the form of an annular plate s'ght y bent alonga .diameter. The plunger pawls are prevented from turning their ends being square or D shaped and tting the guide late (also serving'as a cover plate for t e spring) which plate is fixed m'position; by project-.

ing tongues fitting corresponding grooves in the main lock nut, or the (guide plate may be pinned or-otherwlse fixe One or bo of the plunger pawls has a tongue or suitably over it, thereby insuring that even if t e s ring should break or become inany way eranged, the

' pawl would be still kept in positive engagement with the ratchet teeth. The pawl or pawls may carry a spring pressed ball or hub 12.-

Patented Dec; 5, 1911. a

pin adapted to engage with a recess in the the' detachable wheel, part of two of the spokes of which are. shown at b. When the hub b is place it is prevented in the ordinary manner from turning relatively to the hub a by studs a fixed to the latter.

0 is a nut screwing onto the end of the permanent hub a and it has fixed to it a thrust ring 0 and a withdrawal ring 0 which embrace between them an inwardly projecting radial flange b on the hub b so that b the other the hub b is drawn onto or ofi the hub a. The ring 0' is prevented from turn turning the nut c in one direction or.

ing on the nut 'c by projections c (Fig. i) i which enga e'with corresponding grooves in the nut. T e ring a has two holes throu h it which serve as guides or bearings for t e plunger pawls d and e which engage with a ring of teeth 6' on the outer end of the f is a sprin in the form of an annular plate fixed to t e nut a by screws f and actmg on the pawls d and c. This spring is so bent that it tends to force awls into ear with the teeth I). The aw is d and e ave undercut heads (1" an e which project above the face of the nut .0.

g is a spanner fitting around the nut c and engagin with lugs c on it but as is clearly seen at ig. 1 a small relative movement of rotation is allowed; The spannerv has a te fixed to it claw like projections g a to enga with the heads d ends and raw the paw d and e out of ear with the teeth 6. The pawl e is acte on by a cover It pivoted at It so that when the lever is turned 1nto the position shown in full lines in Fig.

1 the pawl e. is prevented from coming out position shown in dotted linesprevents the of gear with the teeth b and when in the spanner frombein removed. The cover it is held in its locked position by aball d in the pawl e which is pressed outward by a spring (1 and engages with a corresponding cavity in the underside of the cover.

is is a stop for preventing the cover h bein turned beyond its dotted position Fig. 1.

y at I claim is The combination with a detachable hub carrying a nut free to turn in it and pro vided'with a pawl adapted to engage with a ring of teeth in it; of a, cover pivoted to the nut and adapted to be turned over the pawl and to hold it in engagement with the teeth and means for controlling the move- 15 ment of the cover in such manner that when it is not above the pawl it projects beyond the periphery of the nut.

. VICTOR RILEY. Witnesses:

R. B. RANSFORD, ARTHUR CARPMAEL, J r. 

